Beto O'Rourke raises $6.1 million in first 24 hours of 2020 campaign

Beto O'Rourke raised $6.1 million during the first 24 hours of his 2020 presidential campaign, his campaign announced Monday.

Why it matters: It's a massive haul, topping the $5.9 million raised by Sen. Bernie Sanders over his first 24 hours last month, which capitalized on an established donor network from the Vermont senator's 2016 run.

Go deeper: Beto O'Rourke: Everything you need to know about the 2020 candidate